{"id":13821,"date":"2020-10-02T12:36:49","date_gmt":"2020-10-02T16:36:49","guid":{"rendered":"https:\/\/wordpress.world.dan.org\/?post_type=dan_diving_incidents&#038;p=13821"},"modified":"2023-06-30T09:32:06","modified_gmt":"2023-06-30T13:32:06","slug":"breathing-gas-contamination-a-case-for-education-and-maintenance","status":"publish","type":"dan_diving_incidents","link":"https:\/\/world.dan.org\/es\/safety-prevention\/diver-safety\/case-summaries\/breathing-gas-contamination-a-case-for-education-and-maintenance\/","title":{"rendered":"Contaminaci\u00f3n de mezclas respiratorias: un caso para la educaci\u00f3n y el mantenimiento"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-reported-story\">Historia reportada<\/h2>\n\n\n\n<p>Un grupo de unos 22 buzos se encontraba disfrutando de un viaje de buceo de un d\u00eda desde una embarcaci\u00f3n cerca de Isla Catalina durante el fin de semana del D\u00eda del Trabajo. Todos los buzos aparentemente estaban utilizando sus propios cilindros y el compresor que estaba a bordo se usaba para volver a llenarlos entre el uso de un buzo y otro.<\/p>\n\n\n\n<p>Mientras estaban en la superficie, antes del tercer buceo, no sintieron ning\u00fan sabor ni olor diferente en la mezcla respiratoria. No obstante, a medida que descend\u00edan, notaron un sabor aceitoso en sus bocas que empeoraba con la profundidad. Algunos de los buzos decidieron finalizar el buceo prematuramente debido a la experiencia desagradable.<\/p>\n\n\n\n<p>Una vez que estuvieron nuevamente a bordo de la embarcaci\u00f3n, varios de ellos se quejaron de dolor de cabeza, n\u00e1useas y, en algunos casos, vomitaron por la borda.<\/p>\n\n\n\n<p>Mientras que el divemaster indicaba que la causa probablemente era una obstrucci\u00f3n en el filtro de aire, el operador de la embarcaci\u00f3n de buceo afirm\u00f3 que esto era imposible.<\/p>\n\n\n\n<p>Dos de los buzos afectados que informaron el incidente llevaron sus cilindros a su tienda de buceo local para que se les hiciera un mantenimiento inmediatamente despu\u00e9s; la presencia de aceite en el interior de al menos uno de los cilindros era evidente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comment\">Comentario<\/h2>\n\n\n\n<p class=\"translation-block\">Las unidades de filtraci\u00f3n de aire respirable pueden perder su capacidad de eliminar eficazmente los contaminantes. Los fabricantes establecen estrictos requisitos de horas de funcionamiento<sup>1<\/sup> para garantizar que el aire cumpla las normas de calidad requeridas. En EE.UU., la norma exigida se denomina CGA Grado E, y se ha establecido espec\u00edficamente para aplicaciones de aire respirable de submarinismo. Los l\u00edmites de aceite y olor est\u00e1n claramente establecidos y su cumplimiento garantizar\u00eda que el aceite no afecte a los submarinistas ni se acumule en las botellas.<\/p>\n\n\n\n<p>Las cantidades reales de todos los contaminantes aumentan con la profundidad; esto se traduce en un aumento de la presi\u00f3n parcial para los contaminantes de gas o un aumento de la masa por cada respiraci\u00f3n para los l\u00edquidos. Esto explicar\u00eda la ausencia de hedor en la superficie.<\/p>\n\n\n\n<p>La mayor\u00eda de los compresores de aire funcionan con aceite sint\u00e9tico, que en peque\u00f1as dosis no deber\u00eda ser extremadamente t\u00f3xico. Sin embargo, puede causar efectos nocivos al inhalarlo e ingerirlo. La acumulaci\u00f3n en los pulmones tambi\u00e9n puede causar problemas respiratorios. Los s\u00edntomas como los dolores de cabeza, las n\u00e1useas y los v\u00f3mitos pueden atribuirse a la inhalaci\u00f3n de niveles altos de vapor de aceite. La contaminaci\u00f3n por mon\u00f3xido de carbono tambi\u00e9n puede provocar algunos de estos s\u00edntomas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-recommendations\">Recomendaciones<\/h2>\n\n\n\n<p>El l\u00edmite aceptable para el hedor en las mezclas respiratorias es \u201cninguno\u201d. El aire que tiene alg\u00fan tipo de olor \u2014ya sea aceitoso, agrio, dulce o desconocido\u2014 no es admisible como mezcla respiratoria.<\/p>\n\n\n\n<p>Los buzos deben confiar en su olfato.<\/p>\n\n\n\n<p>Cuando tengan alguna duda, deben acercarse al operador de buceo para consultar el \u00faltimo certificado de prueba de calidad del aire, el registro de mantenimiento del compresor o el cronograma de reemplazo del filtro. Asimismo, existen analizadores de mon\u00f3xido de carbono port\u00e1tiles y dispositivos que permiten tomar muestras de los cilindros de buceo.<\/p>\n\n\n\n<p>Cuando un operador de buceo no le puede garantizar al buzo alg\u00fan grado de control de calidad, debe considerar bucear en otro lugar. Su salud y seguridad tambi\u00e9n son su responsabilidad.<\/p>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-dan-light-gray-color has-alpha-channel-opacity has-dan-light-gray-background-color has-background is-style-wide\"\/>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Existen circunstancias en las que las horas de funcionamiento deben reducirse, como por ejemplo en entornos muy c\u00e1lidos y h\u00famedos. Cuando se instala un secador frigor\u00edfico de alta presi\u00f3n antes del filtro, las horas de funcionamiento pueden aumentarse considerablemente. En ambos casos, el filtro con el tiempo se saturar\u00e1 de humedad y la capacidad para eliminar mon\u00f3xido de carbono, aceite residual, humedad y hedor disminuir\u00e1 significativamente. La \u00fanica manera de determinar el tiempo de funcionamiento correcto del filtro es a trav\u00e9s de pruebas de calidad del aire peri\u00f3dicas.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>El gas respirable puede contaminarse, por lo que los buceadores deben fiarse siempre de su olfato. Lea un resumen de un caso de gas respirable contaminado y lo que puede hacer si le ocurre a usted. <\/p>","protected":false},"featured_media":25319,"template":"","dan_diving_incident_keyword":[],"class_list":["post-13821","dan_diving_incidents","type-dan_diving_incidents","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Breathing Gas Contamination: A Case for Education and Maintenance - DAN World<\/title>\n<meta name=\"description\" content=\"Breathing gas can become contaminated \u2014 so divers should always trust their noses. 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